And more logging.

synapse/handlers/presence.py

@@ -503,6 +503,7 @@ class PresenceHandler(BaseHandler):
             if not self._local_pushmap[localpart]:
                 del self._local_pushmap[localpart]
 
+    @trace_function
     def _stop_polling_remote(self, user, domain, remoteusers):
         for u in remoteusers:
             self._remote_recvmap[u].remove(user)

synapse/notifier.py

@@ -15,7 +15,7 @@
 
 from twisted.internet import defer, reactor
 
-from synapse.util.logutils import log_function
+from synapse.util.logutils import log_function, trace_function
 
 import logging
 
@@ -119,6 +119,7 @@ class Notifier(object):
                 )
 
     @defer.inlineCallbacks
+    @trace_function
     def on_new_user_event(self, users=[], rooms=[]):
         """ Used to inform listeners that something has happend
         presence/user event wise.